Description:
National Instruments is partnering with G.R.A.S. Sound & Vibration to offer measurement-grade microphones. Acoustic measurement microphones must meet stringent standards not found in consumer or even professional audio products. You can use these microphones with all NI dynamic signal analyzers. NI

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impedance the PA-25 allows you to use very long low cost coaxial BNC-BNC connection cables. The PA-25 has high input impedance which stops the microphone from loading.
The C-250 condenser microphone has been developed to supply the sector with greatest demand for precision sound pressure measurements

Description:
The Endevco pistonphone model EM42AA is a battery-operated, precision sound source for accurate and reliable calibration of measurement microphones, sound level meters and other sound measuring equipment. With a microphone placed in the coupler of the pistonphone, the calibration level is:
114 dB

Description:
sound and echo from behind
Low self-noise and large measurement range
RPM option for analyzing rotating machines.
High-performance optical video camera are included in the camera front-end unit
The distribution of the high number of microphones ensures high resolving power and reduces

Description:
and an electrostatic actuator which can be controlled remotely for on-site calibration checks. With the proper choice of microphone, it can provide frequency response characteristics consistent with precision sound level meter requirements for free-field or random incidence measurements. Equipped

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PCB® has provided thousands of channels of our 130D and 130E Series ICP® Electret Array Microphones as a cost-effective method for large channel count sound pressure measurements. We are pleased to announce that we have expanded the capabilities of testing with array microphones

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The Models 765M20 and 765M22 High Intensity Acoustic Sensors (Microphones) are designed for the measurement of gas-borne sound in industrial applications. These sensors have been constructed for use in corrosive environments that are compatible with the type 316 stainless steel diaphragm

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Flex.US is a powerful diagnostic instrument that guarantees results. Ultrasonic waves are detected by Flex.US and converted into representative audible sounds that are heard in the headset. Flex.US is not affected by high levels of ambient factory noise. Its design is a unique approach

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with a uniformly controlled omnidirectional polar pattern, the TM1 is designed to capture acoustic measurements for room analysis software programs, real time analyzers and other sound control devices. With a flat frequency range of 20 Hz - 25 kHz, the TM1 is an excellent tool for sound engineers, sound

Description:
The RTA-M real time audio analyzing mic is the perfect accessory tool for the DriveRack PA, DriveRack PA+ and 260. Used in conjunction with the System Setup Wizard and Auto EQ Wizard the RTA-M is ideal for optimizing the sound quality of even the most difficult of acoustic environments. The RTA-M

Description:
dbx, Inc.
The optional RTA-M real time audio analyzing mic is the perfect accessory tool for the DriveRack PA, DriveRack PA+ and 260. Used in conjunction with the System Setup Wizard and Auto EQ Wizard the RTA-M is ideal for optimizing the sound quality of even the most difficult of acoustic

Description:
Lectrosonics, Inc.
UH400TM, R400A, CCTM400
The TM400 system was designed to provide the ideal link between calibrated test microphones and measurement equipment such as SIM®, SIA SMAART Live®, TEF® or other systems. By using a radio link, long cables can be eliminated thus

Description:
Intensity Solution that is based on the measurement of the sound intensity as recommended by ISO 9614.
Main Features
Fulfills main international standards
User friendly Set Up browser
Measurement panel for easy and repeated operation
All microphone positions measured at once
Overall and Spectra

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Applies to instruments which detect sound intensity by pairs of spatially separated pressure sensing microphones and specifies performance requirements for instruments used for the measurement of sound intensity, and their associated calibrators. The purpose of this standard is to ensure

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Description / Abstract General recommendations are given to assist in the development of noise measurement techniques that are satisfactory for use under various environmental conditions. The measurement of sound produced by sources which radiate directly into the air is given first priority

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The SC102 is more than just a noise measuring instrument as it not only carries out the measurements, but also the checks and calculations required by the standards, to get the final result, in situ.
It is the first integrating sound level meter with measurement protocols which simplifies

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Abstract
This test procedure defines approved methods for conducting tests and reporting results to effect the uniform determination of rotating electric machine sound under steady-state conditions with an accuracy of +or-3 dB tested in three acoustical environments. These are: free field

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of the coriolis meter with a speed of soundmeasurement provides a novel approach to improved density measurement for aerated fluids in two ways. Firstly, sound speed based gas volume fraction measurement provides a first-principles-based, real time measurement of the gas volume fraction

Description:
A handy, portable sound source for calibration of sound level meters and other soundmeasurement equipment. The calibrator is very robust and stable, and conforms to EN/IEC 60942 Class LS and Class 1, and ANSI S1.40-1984. For maximum confidence in your measurement results you can quickly compensate

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Work standards should be developed by the application of sound work measurement techniques. The end result of work measurement should be a management feedback reporting system that tells how well management has planned and directed its operations.

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The DSRn 427 density and sound velocity transducer combines measurement of density and sound velocity in one compact analyzer. The evaluation unit determines the velocity of sound, density and temperature of the liquids and calculates the concentration of three-component liquids.

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Portable, user friendly calibrator, ideal for checking sound level meters and dosimeters on the measurement site, or in the laboratory.
It is designed especially to check class 2 dosimeters and sound level meters. Represents a cost effective yet accurate means of checking, before and after

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The National Instruments PXI-4462 is a high-accuracy data acquisition module specifically designed for sound and vibration applications. This module includes the hardware and software needed to make precision measurements with microphones, accelerometers, and other transducers that have very large

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The NI Sound and Vibration Measurement Suite is a comprehensive collection of NI analysis and signal processing tools for noise, vibration, and harshness (NVH); machine condition monitoring; and audio test applications. It includes the NI Sound and Vibration Assistant, which is stand-alone software

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conditioning for accelerometers and microphones. The four NI PCI-4474 input channels simultaneously digitize input signals over a bandwidth from DC to 45 kHz. Best Value: Buy both and save. The PCI-4474 is also available as a bundle with the NI Sound and Vibration Measurement Suite, which includes

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The Testo 816 is protected from dust, and its large LCD display makes it easy to read. Very accurate quartz calibrator. Thanks to its digital background noise reduction system, the Testo 816 takes precise measurements of even low sound levels. Ideal for measurements requiring high accuracy

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it away from the SC310 by using the extension cable (CNR-010). The instrument can be complemented with an outdoor kit (TK-1000) for making measurements in the open air.
Applications for SC310
Sound Insulation measurements
Environmental measurements
Industrial Hygiene
Noise measurements for air

OROSSound Intensity
Concerning Sound Power determination, the procedure recommended by international standard ISO 9614 can be followed step by step through a task dedicated interface that makes it rapidly operational. Thus, the Sound Intensity Solution is complementary to the Sound Power Solution that is based on the measurement of the sound pressure level as recommended by ISO 374x series. Measuring sound intensity let the user be flexible on the measurement environment and on its acoustic constraints brought...
(read more)Browse Sound Level Meters and Noise Dosimeters Datasheets for OROS

OROSSound Power
The Sound Power Solution is complementary of the Sound Intensity Solution that is based on the measurement of the sound intensity as recommended by ISO 9614. Using the OROS Solution, based on a task dedicated interface that guides the user step by step, Sound Power is measured in an easy and efficient way. Once the initial set-up of the microphone test bench has been organized, the measurement can be repeated day after day with no special expertise required. The Sound Power Solution...
(read more)Browse Sound Level Meters and Noise Dosimeters Datasheets for OROS

Scantek, Inc.Nor150 Sound and Vibration Analyser
Nor150 Sound and Vibration Analyser. The Nor150 can be equipped as a dual channel analyser designed for environmental noise assessments, sound insulation and sound intensity measurements and many other measurement tasks. Features. Large colour touch-screen (4.3 "). Intuitive user interface with graphical icons for selection of mode and custom made user setups. Markers edited directly on the touch screen. Real keyboard for quick operation in challenging environments. Built in webserver makes...
(read more)Browse Sound Level Meters and Noise Dosimeters Datasheets for Scantek, Inc.

Scantek, Inc.Sound Level Meter- Spectrum Analyzer
Scantek Inc. - The SC260 is a user-friendly, class 2 integrating sound level meter. It can be used as either a sound level meter or as a real time spectrum analyzer in one-third octave bands and octave bands, with class 2 filters. The SC260 measures all functions simultaneously, with all frequency weightings. Among these are all the functions necessary to calculate the basic indices for the acoustic evaluation of most countries in the world: S, F and I functions, equivalent continuous levels...
(read more)Browse Sound Level Meters and Noise Dosimeters Datasheets for Scantek, Inc.

Quality Bearings & ComponentsBETEX Pro. Sound Meter For Quick Noise Surveys.
New Hyde Park, New York -- A new BETEX professional sound meter from Quality Bearings & Components - QBC is designed for quick and accurate noise surveys. The meter, identified as the model 1500, features an extra large digital display with a digit height of 20 mm. With this professional microprocessor operated DB meter sound levels can be precisely measured within the frequency range of 31.5 HZ to 8500 HZ. The measurement range is 30 to 130 dB (A) with a resolution of 0.1 dB. The unit has...
(read more)Browse Ball Bearings Datasheets for Quality Bearings & Components

Cannon Water Technology Inc.Water Well Level Measurement System
Well Watch 600 Water Well Level Measurement System. The Eno Scientific Well Watch 600 measures the water level in a well water system by use of sonic technology. This system can detect the water level in a well and track the results over time. This is especially important during a drought or when your well is not producing as much water as it used to. The Well Watch 600 replaces traditional well level systems like pressure transducers, water tape and bubblers. This non contact level sensor sits...
(read more)Browse Liquid Level Sensors Datasheets for Cannon Water Technology Inc.

Sound Insulation. Enabling readers to tackle a wide range of issues relating to sound insulation during the design and construction of a building, this book examines sound and vibration theory and its application to the measurement and prediction of sound insulation.

Sound waves can measure viscosity on the fly. Acoustic-wavesensors are the size of a quarter and can measure viscosity in real time. Compact acousticwavesensors make possible handheld viscosity meters like this BiODE eCup unit. The acoustic-wave resonator supports a standing wave, interacting

Manufacturers today realize that feature location in part design and production is crucial. In order to produce interchangeable parts in a manufacturing environment, care must be taken that the design is sound enough to allow mating parts to work correctly. Furthermore, the industrial process must

Many industrial ultrasonic sensors are based on the delay time measurement. As has been mentioned in the introduction, the "measurement representation" thereby is the propagation velocity of the sound in the air, which is 330 m/s under normal conditions. The sensors utilized for these functions

Data visualization is a common aspect of almost all measurement systems. From simply graphing an acquired signal to correlating measurement data with video, sound, or 3D model projection, visualization options for data acquisition (DAQ) systems are extensive. Selecting the right visualization

Gas cylinder depletion warning systems have become an important part of the chemical manufacturing industry in safety, backup and production gas supply systems. Gas cylinder depletion warning systems are responsible for indicating visually, with sound or through interfaced control systems when

From results of both kinds of micro-phone calibrations, they conclude that, when carefully performed, the two methods can be considered equivalent to an accuracy sufficient for most practical sound measurements .